Re: [PATCHv2 03/11] dmapool: use sysfs_emit() instead of scnprintf()

[Christoph Hellwig]

> +		size += sysfs_emit_at(buf, size, "%-16s %4u %4zu %4zu %2u\n",
> +				      pool->name, blocks,
> +				      pages * (pool->allocation / pool->size),
> +				      pool->size, pages);

Did I mention that the sysfs_emit_at API sucks and should just take
size as a pointer argument an auto-increment?

Not really something we can change in this series, though.  So:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>